Oil rotary union DRF series

for compressed airfor vacuummulti-passage

1.Two large and large precision bearings support, stable operation, no maintenance for bearings throughout life； 2.DEWEL special seals for long life； 3.The rotating shaft core is specially treated to ensure sufficient wear resistance； 4.Various technical indicators have reached the international leading level of similar products； 5.We can tailor the products we need for our customers.；